70 lines
2.2 KiB
Ruby
70 lines
2.2 KiB
Ruby
#
|
|
# This class was contributed by Mikko Tiihonen mikko DOT tiihonen AT hut DOT fi
|
|
#
|
|
module REXML
|
|
module Encoding
|
|
@@__REXML_encoding_methods = %q~
|
|
# Convert from UTF-8
|
|
def to_iso_8859_15 content
|
|
array_utf8 = content.unpack('U*')
|
|
array_enc = []
|
|
array_utf8.each do |num|
|
|
case num
|
|
# shortcut first bunch basic characters
|
|
when 0..0xA3: array_enc << num
|
|
# characters removed compared to iso-8859-1
|
|
when 0xA4: array_enc << '¤'
|
|
when 0xA6: array_enc << '¦'
|
|
when 0xA8: array_enc << '¨'
|
|
when 0xB4: array_enc << '´'
|
|
when 0xB8: array_enc << '¸'
|
|
when 0xBC: array_enc << '¼'
|
|
when 0xBD: array_enc << '½'
|
|
when 0xBE: array_enc << '¾'
|
|
# characters added compared to iso-8859-1
|
|
when 0x20AC: array_enc << 0xA4 # 0xe2 0x82 0xac
|
|
when 0x0160: array_enc << 0xA6 # 0xc5 0xa0
|
|
when 0x0161: array_enc << 0xA8 # 0xc5 0xa1
|
|
when 0x017D: array_enc << 0xB4 # 0xc5 0xbd
|
|
when 0x017E: array_enc << 0xB8 # 0xc5 0xbe
|
|
when 0x0152: array_enc << 0xBC # 0xc5 0x92
|
|
when 0x0153: array_enc << 0xBD # 0xc5 0x93
|
|
when 0x0178: array_enc << 0xBE # 0xc5 0xb8
|
|
else
|
|
# all remaining basic characters can be used directly
|
|
if num <= 0xFF
|
|
array_enc << num
|
|
else
|
|
# Numeric entity (&#nnnn;); shard by Stefan Scholl
|
|
array_enc.concat "&\##{num};".unpack('C*')
|
|
end
|
|
end
|
|
end
|
|
array_enc.pack('C*')
|
|
end
|
|
|
|
# Convert to UTF-8
|
|
def from_iso_8859_15(str)
|
|
array_latin9 = str.unpack('C*')
|
|
array_enc = []
|
|
array_latin9.each do |num|
|
|
case num
|
|
# characters that differ compared to iso-8859-1
|
|
when 0xA4: array_enc << 0x20AC
|
|
when 0xA6: array_enc << 0x0160
|
|
when 0xA8: array_enc << 0x0161
|
|
when 0xB4: array_enc << 0x017D
|
|
when 0xB8: array_enc << 0x017E
|
|
when 0xBC: array_enc << 0x0152
|
|
when 0xBD: array_enc << 0x0153
|
|
when 0xBE: array_enc << 0x0178
|
|
else
|
|
array_enc << num
|
|
end
|
|
end
|
|
array_enc.pack('U*')
|
|
end
|
|
~
|
|
end
|
|
end
|